Arctic Biodiversity Trends 2010


Arctic Biodiversity Trends 2010

Other Arctic peatland types are the so-called “alases”, which are thermokarst lakes undergoing terrestrialization, most typically in eastern Siberia; and various combinations of

sedge and forested fens in valleys and on floodplains. Finally, a range of ecosystem types is combined under the name “shallow peat tundra”.


1 - 5 Less than 1% 5 - 10 10 - 20 20 - 50 More than 50%

Figure 14.1: The proportion (%) of peatland within Arctic Russia, after [1].



Figure 14.2: Polygon mire photographed from the air (A) and from ground level (B) (Yakutia).

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